Renewable and compostable Plantware Cutlery is the only choice for compostable cutlery with a high-heat tolerance. New crystalized formulation offers strength and heat tolerance up to 200° F. Handles are now 95% stronger. Renewable, BPI-certified compostable and ASTM compliant. Made from renewable resources. Made with PLA, a plant-based plastic. Meets ASTM standards for composability.